The TJ Shortcodes WordPress plugin through 0.1.3 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
https://wpscan.com/vulnerability/8e63bf7c-7827-4c4d-b0e3-66354b218bee/
https://research.cleantalk.org/cve-2023-6530-tj-shortcodes-stored-xss-poc/